Hi everybody! I'm trying to play with FastLED library,

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Hi everybody!
I’m trying to play with FastLED library, but can not figure out how to make it to work. Using Uno and what seems to be WS2811 LED strip (at least it works as expected with SP103e controller). Unfortunately, none of the samples from the lib works: the strip keep changing colors randomly.

I took FirstLight project as something to begin with, data pin is 6. I’m only calling showColor with delay in the main loop, but strip is just acting crazy. Am I missing something? Can somebody show me the way?

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Is the ground connection on your LED strip connected to the Arduino board? If not, you need to connect them

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Can you show us and explain in as much detail as possible what you are doing, that way we can diagnose where the error may be

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damn! Thank you Brian! I was just to tired and missed ground on my strip. Problem solved! Thanks again